Stephen Colbert sits down with email etiquette author Will Schwalbe and dives face first into email etiquette, discussing the finer points of why drunk-emailing, all caps shouting, and irresponsible emailing can bite you in the ass.

Granted, our readers should be aware of most of these rules by now (god knows we've coveredemailetiquetteplentyin thepast), but if not, it's a nice refresher—and either way, it's very funny. Share your email etiquette pet peeves in the comments.